Windmill wheel



FIG. 1 is a perspective view of windmill wheel showing my new design;

FIG. 2 is a front elevational view thereof,

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is front elevational view of the windmill wheel mounted on a support stand shown in broken lines indicating environmental structure only, and forms no part of the claimed design;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a side elevational view thereof. 

The ornamental design for a windmill wheel, as shown and described. 